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Acetic Acid → tert-Butyl 4-{[5-(benzyloxy)-1-(phenylsulfonyl)-1H-indol-4-yl]methyl}piperazine-1-carboxylate

HRID 1159805
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HRID 1159805 반응식
[CH2:1]([O:8][C:9]1[CH:17]=[CH:16][C:15]2[N:14]([S:18]([C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=3)(=[O:20])=[O:19])[CH:13]=[CH:12][C:11]=2[C:10]=1[CH:27]=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[C:29]([N:36]1[CH2:41][CH2:40][NH:39][CH2:38][CH2:37]1)([O:31][C:32]([CH3:35])([CH3:34])[CH3:33])=[O:30].[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+].CC(O)=O>O>[CH2:1]([O:8][C:9]1[C:10]([CH2:27][N:39]2[CH2:38][CH2:37][N:36]([C:29]([O:31][C:32]([CH3:35])([CH3:34])[CH3:33])=[O:30])[CH2:41][CH2:40]2)=[C:11]2[C:15](=[CH:16][CH:17]=1)[N:14]([S:18]([C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1)(=[O:19])=[O:20])[CH:13]=[CH:12]2)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 176Acetic AcidHCID 143452tert-Butyl piperazine-1-carboxylateHCID 5049666Sodium triacetoxyborohydrideHCID 866182505-(Benzyloxy)-1-(phenylsulfonyl)-1H-indole-4-carbaldehyde

생성물 1

HCID 86618249tert-Butyl 4-{[5-(benzyloxy)-1-(phenylsulfonyl)-1H-indol-4-yl]methyl}piperazine-1-carboxylate수율 88%

시약·촉매·용매 1

HCID 962Water용매

실험 절차

To 5-(Benzyloxy)-1-(phenylsulfonyl)-1H-indole-4-carbaldehyde, Intermediate 62 205 mg (0.52 mmol) in dichloroethane[DCE] (10 mL) were added BOC-piperazine, 137 mg (0.74 mmol), NaBH(OAc)3, 333 mg (1.6 mmol) and HOAc, 45 mg (0.8 mmol) and the mixture was stirred at room temperature in sealed test tube over night. Water was added, the phases were separated and the dried (MgSO4) organic phase was evaporated at reduced pressure and the black residue was chromatographed on a column of silica with CHCl3 100% as eluent to yield 260 mg (88%) of a blackish oil. MS (ESI+) for C31H35N3O5S m/z 562 (M+H)+.

후처리

  1. customthe phases were separated
  2. dry with materialthe dried (MgSO4) organic phase
  3. customwas evaporated at reduced pressure
  4. customthe black residue was chromatographed on a column of silica with CHCl3 100% as eluent

출처 및 근거

ORD 기록
ord-6e3aacdacda54514ac4c15ffdf45bf9a
출처 데이터셋
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07812017B2

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